added support for UTF-8

now the UTF-8 is a default charset


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@677 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/dircontainer.h

@@ -55,6 +55,7 @@ public:
 	ParentIterator FindFirstParent(long parent);
 	ParentIterator NextParent(ParentIterator pi);
 
+	bool IsNameOfSpecialFolder(const std::wstring & name);
 	void FindSpecialFolders();
 
 private:
@@ -87,7 +88,7 @@ private:
 	TableParent table_parent;
 
 	// names of folders
-	static std::string dir_etc, dir_var;
+	static std::wstring dir_etc, dir_var;
 };